Electrode



FIG. 1 is a top perspective view of an electrode, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a left side elevational view thereof; and,

FIG. 5 is a right side elevational view thereof. 

The ornamental design for an electrode, as shown. 